The University of Tokyo

Daicel Corporation

Tadanori Kurosawa

Junichi Takeya

Toshihiro Okamoto

Yasuyuki Akai

Daiji Ikeda

Takeshi Yokoo

Yu Yamashita

Dinghai Cen

Provided is a compound that is excellent in chemical stability, has high solubility in a solvent, and exhibits excellent carrier mobility. A compound represented by Formula (1):

Compound and application thereof

Provided is a conductor material having high conductivity. The conductor material according to an embodiment of the present disclosure has a configuration in which a conjugated polymeric compound having an electron donating group containing a heteroatom in a side chain is doped with a dopant containing an anion selected from a nitrogen anion, a boron anion, a phosphorus anion and an antimony anion, and a counter cation. The anion is preferably an anion represented by Formula (1) below: where Rand Rare identical or different, and each represent an electron withdrawing group; and Rand Rmay be bonded to each other to form a ring with an adjacent nitrogen atom.

Conductor material

Provided is a dopant with which a conductor material having high electrical conductivity can be formed. The present disclosure relates to a dopant containing a radical cation represented by Formula (1) and a counter anion. In Formula (1), Rto Rmay be the same or different, and each denotes a monovalent aromatic group or a group represented by Formula (r). at least one of Rto Ris a group represented by Formula (r), and n indicates the valence of the radical cation and is equal to the quantity (n) of nitrogen atoms in the formula. In Formula (r), Ar, Ar, and Armay be the same or different, and each denotes a divalent aromatic group, and Ar, Ar, Ar, and Armay be the same or different, and each denotes a monovalent aromatic group optionally having a substituent represented by Formula (sb) below. Furthermore, m and n may be the same or different, and each represents an integer of 0 or greater.

Dopant and conductor material

A novel dopant according to the present disclosure includes an anion represented by the following Formula (1) and a counter cation. In Formula (1), Rand Rmay be each at least one group selected from a nitro group, a cyano group, an acyl group, a carboxyl group, an alkoxycarbonyl group, a haloalkyl group, a sulfo group, an alkylsulfonyl group, an halosulfonyl group, and a haloalkylsulfonyl group, or may be a group formed by Rand Rbonded to each other [—SO-L-SO—] (where L represents a haloalkylene group). The counter cation may be a radical cation represented by Formula (2), where Rand Rrepresent electron-withdrawing groups that may be bonded to each other to form a heterocycle, and Rto Rrepresent a hydrogen atom, a hydrocarbon group that may have a substituent, or a heterocyclic group that may have a substituent. The dopant is capable of forming an electroconductive composition that shows a high conductivity.

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Tokyo, Japan

Tadanori Kurosawa